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Vegetative propagation

Term for the asexual propagation of plants. In nature, sexual or generative propagation usually takes place in vines. The product is then genetically different from the parents, which normally produces vigorous offspring with good characteristics. There are also plants with natural vegetative reproduction (see below). Theoretically, vegetative propagation is possible with many plants, but not every plant is sufficiently suitable for this. There are several possibilities:

  • Stolons/runners (special side shoots that form roots on their own) - e.g. strawberry, couch grass
  • Tubers (vegetative propagation in nature) - e.g. potato, earth pear (Jerusalem artichoke)
  • Bulbs (vegetative propagation in nature) - e.g. onion, tulip
  • Rhizome/rootstock (vegetative propagation in nature) - e.g. bamboo, ginger
  • Cuttings (plant parts cut off by humans and rooted) - e.g. apple, willow, rose, grapevine
  • Cuttings (shoots that are directed to the ground by humans and take root there) - e.g. grapevine, blackberry

Self-fertilisation

During the flowering of a vine, self-fertilisation takes place because the cultivated vines have hermaphrodite flowers. However, releasing and germinating the seeds from these grapes would produce an undesirable, negative result - inbreeding depression. Cross-fertilisation of the mother variety by another variety (father variety) would also not lead to the desired result. As the vine is extremely heterozygous, each individual seed would produce different offspring.

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